Multilayer clear over color polyolefin sheets and layered...

Details Multilayer clear over color polyolefin sheets and layered... Multilayer clear over color polyolefin sheets and layered...

2011-08-30

2011-08-30

Sample, David (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

C428S339000, C428S516000, C264S173160

Reexamination Certificate

active

08007902

ABSTRACT:
A multilayer structure includes a clear polyolefin layer, a colored polyolefin layer, and a random polyolefin backing layer. The colored and backing layers are coextruded and are permanently bonded at a layer interface, which is exclusive of an adhesive. The structure has a DOI of 70 or greater and passes a gravelometer impact test per the GM9508P standard, with a 10 pint load, at a −30° C. temperature, and at an impact angle of 30 degrees. Among other uses, the structures are appropriate for use as body panels in the motor vehicle industry. The structures display a “class A” finish and meet a variety of requirements for durability and weatherability. An ABA structured backing layer and a method of making it are also described herein.

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